document.write( "Question 739112: x years in the future, Sandy will be y years old, z years in the future, Sandy will be how old? \n" ); document.write( "
Algebra.Com's Answer #451187 by richwmiller(17219)\"\" \"About 
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s is sandy's age now
\n" ); document.write( "in x years sandy will be s+x=y
\n" ); document.write( "in z years sandy will be s+z
\n" ); document.write( "we don't know if x is greater or less than z
\n" ); document.write( "we only know that x is greater than zero and y is greater than s\r
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